<template>
 <div :style="bg">
   <div style="padding: 10px">
     <!--    功能区域-->
     <div style="margin: 10px 0">
       <el-button type="primary" @click="add">新增</el-button>
     </div>

     <!--    搜索区域-->
     <div style="margin: 10px 0">
       <el-input v-model="search" placeholder="请输入名称查询" style="width: 20%" clearable></el-input>
       <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
     </div>
     <el-table
             v-loading="loading"
             :data="tableData"
             border
             stripe
             style="width: 100%">
       <el-table-column
               prop="id"
               label="ID"
               sortable
               width="80"
       >
       </el-table-column>
       <el-table-column
               prop="name"
               label="名称">
       </el-table-column>
       <el-table-column
               prop="path"
               label="路径">
       </el-table-column>
       <el-table-column
               prop="comment"
               label="备注">
       </el-table-column>
       <el-table-column
               prop="icon"
               label="图标">
       </el-table-column>
       <el-table-column label="操作">
         <template #default="scope">
           <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
           <el-popconfirm title="确定删除吗？" @confirm="handleDelete(scope.row.id)">
             <template #reference>
               <el-button size="mini" type="danger">删除</el-button>
             </template>
           </el-popconfirm>
         </template>
       </el-table-column>
     </el-table>

     <div style="margin: 10px 0">
       <el-pagination
               @size-change="handleSizeChange"
               @current-change="handleCurrentChange"
               :current-page="currentPage"
               :page-sizes="[5, 10, 20]"
               :page-size="pageSize"
               layout="total, sizes, prev, pager, next, jumper"
               :total="total">
       </el-pagination>
     </div>

     <el-dialog title="提示" v-model="dialogVisible" width="30%">
       <el-form :model="form" label-width="120px">
         <el-form-item label="名称">
           <el-input v-model="form.name" style="width: 80%"></el-input>
         </el-form-item>
         <el-form-item label="路径">
           <el-input v-model="form.path" style="width: 80%"></el-input>
         </el-form-item>
         <el-form-item label="备注">
           <el-input v-model="form.comment" style="width: 80%"></el-input>
         </el-form-item>
         <el-form-item label="图标">
           <el-input v-model="form.icon" style="width: 80%"></el-input>
         </el-form-item>
       </el-form>
       <template #footer>
          <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="save">确 定</el-button>
          </span>
       </template>
     </el-dialog>

   </div>
 </div>
</template>

<script>

import request from "@/utils/request";

export default {
  name: 'Permission',
  components: {},
  data() {
    return {
      bg: {
        backgroundImage:'url(' + require('../assets/background.jpg') + ')',
        backgroundRepeat: "no-repeat",
        backgroundSize: "100% 100%"
      },
      loading: true,
      form: {},
      dialogVisible: false,
      search: '',
      currentPage: 1,
      pageSize: 10,
      total: 0,
      tableData: [],
    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      this.loading = true
      request.get("/permission", {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res => {
        this.loading = false
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    add() {
      this.dialogVisible = true
      this.form = {}
    },
    save() {

      if (this.form.id) {  // 更新
        request.put("/permission", this.form).then(res => {
          console.log(res)
          if (res.code === '0') {
            this.$message({
              type: "success",
              message: "更新成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }
          this.load() // 刷新表格的数据
          this.dialogVisible = false  // 关闭弹窗
        })
      } else {  // 新增
        let userStr = sessionStorage.getItem("user") || "{}"
        let user = JSON.parse(userStr)
        this.form.author = user.nickName

        request.post("/permission", this.form).then(res => {
          console.log(res)
          if (res.code === '0') {
            this.$message({
              type: "success",
              message: "新增成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }

          this.load() // 刷新表格的数据
          this.dialogVisible = false  // 关闭弹窗
        })
      }

    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true
    },
    handleDelete(id) {
      console.log(id)
      request.delete("/permission/" + id).then(res => {
        if (res.code === '0') {
          this.$message({
            type: "success",
            message: "删除成功"
          })
        } else {
          this.$message({
            type: "error",
            message: res.msg
          })
        }
        this.load()  // 删除之后重新加载表格的数据
      })
    },
    handleSizeChange(pageSize) {   // 改变当前每页的个数触发
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {  // 改变当前页码触发
      this.currentPage = pageNum
      this.load()
    }
  }
}
</script>
